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Andrew J. Berkley
Researcher at D-Wave Systems
Publications - 82
Citations - 7135
Andrew J. Berkley is an academic researcher from D-Wave Systems. The author has contributed to research in topics: Flux qubit & Qubit. The author has an hindex of 35, co-authored 79 publications receiving 6047 citations. Previous affiliations of Andrew J. Berkley include University of Maryland, College Park & Beta.
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Journal ArticleDOI
Quantum annealing with manufactured spins
Mark W. Johnson,M. H. S. Amin,Gildert Suzanne,Trevor Lanting,Firas Hamze,Neil G. Dickson,Richard Harris,Andrew J. Berkley,J. Johansson,Paul I. Bunyk,E. M. Chapple,C. Enderud,Jeremy P. Hilton,Kamran Karimi,E. Ladizinsky,N. Ladizinsky,T. Oh,I. Perminov,C. Rich,Murray C. Thom,E. Tolkacheva,C. J. S. Truncik,Sergey Uchaikin,J. Wang,B. Wilson,Geordie Rose +25 more
TL;DR: This programmable artificial spin network bridges the gap between the theoretical study of ideal isolated spin networks and the experimental investigation of bulk magnetic samples, and may provide a practical physical means to implement a quantum algorithm, possibly allowing more-effective approaches to solving certain classes of hard combinatorial optimization problems.
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Entangled macroscopic quantum States in two superconducting qubits.
Andrew J. Berkley,Huizhong Xu,Roberto Ramos,M. A. Gubrud,Frederick W. Strauch,Philip R. Johnson,J. R. Anderson,Alex J. Dragt,Christopher Lobb,Frederick C. Wellstood +9 more
TL;DR: Microwave spectroscopy in the 4 to 6 gigahertzrange at 20 millikelvin reveals energy levels that agree well with theoretical results for entangled states.
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Architectural Considerations in the Design of a Superconducting Quantum Annealing Processor
Paul I. Bunyk,Emile Hoskinson,Mark W. Johnson,E. Tolkacheva,Fabio Altomare,Andrew J. Berkley,Richard Harris,Jeremy P. Hilton,Trevor Lanting,Przybysz Anthony Joseph,Jed D. Whittaker +10 more
TL;DR: In this article, a quantum annealing processor based on an array of tunable coupled rf-SQUID flux qubits, fabricated in a superconducting integrated circuit process, is presented.
Journal ArticleDOI
Architectural considerations in the design of a superconducting quantum annealing processor
Paul I. Bunyk,Emile Hoskinson,Mark W. Johnson,E. Tolkacheva,Fabio Altomare,Andrew J. Berkley,Richard Harris,Jeremy P. Hilton,Trevor Lanting,Jed D. Whittaker +9 more
TL;DR: In this paper, a quantum annealing processor based on an array of tunably coupled rf-SQUID flux qubits, fabricated in a superconducting integrated circuit process, is presented.
Journal ArticleDOI
Observation of topological phenomena in a programmable lattice of 1,800 qubits
Andrew D. King,Juan Carrasquilla,Jack Raymond,Isil Ozfidan,Evgeny Andriyash,Andrew J. Berkley,Mauricio Reis,Trevor Lanting,Richard Harris,Fabio Altomare,Kelly T. R. Boothby,Paul I. Bunyk,C. Enderud,Alexandre Fréchette,Emile Hoskinson,N. Ladizinsky,T. Oh,Gabriel Poulin-Lamarre,Christopher B. Rich,Yuki Sato,Anatoly Yu. Smirnov,Loren J. Swenson,Mark H. Volkmann,Jed D. Whittaker,Jason Yao,E. Ladizinsky,Mark W. Johnson,Jeremy P. Hilton,Mohammad H. Amin,Mohammad H. Amin +29 more
TL;DR: A large-scale programmable quantum simulation is described, using a D-Wave quantum processor to simulate a two-dimensional magnetic lattice in the vicinity of a topological phase transition.